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Quel mode de scrutin pour quel « vainqueur » ? Une expérience sur le vote préférentiel transférable

Author

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  • Étienne Farvaque
  • Hubert Jayet
  • Lionel Ragot

Abstract

In this paper, we expose the results of a voting experiment realised in 2007, during the French Presidential election. This experiment aimed at confronting the Single Transferable Vote (SVT) procedure to two criteria : simplicity and the selection of a Condorcet-winner. Building on our electoral sample?s preferences, we show that this voting procedure can design a different winner, depending on the vote counting process. With the vote counting process advocated by Hare, the winner is Nicolas Sarkozy, while the Coombs vote counting process has François Bayrou as winner. For these two vote counting processes, the details of the experiment are the same and it is shown that the simplicity criterion is respected. However, with regard to the Condorcet-winner criterion, the Coombs method is the only one to elect the Condorcet-winner, i.e. François Bayrou.

Suggested Citation

  • Étienne Farvaque & Hubert Jayet & Lionel Ragot, 2009. "Quel mode de scrutin pour quel « vainqueur » ? Une expérience sur le vote préférentiel transférable," Revue d'économie politique, Dalloz, vol. 119(2), pages 221-246.
    • Handle: RePEc:cai:repdal:redp_192_0221
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    Cited by:

    1. Igerseim, Herrade & Baujard, Antoinette & Laslier, Jean-François, 2016. "La question du vote. Expérimentations en laboratoire et In Situ," L'Actualité Economique, Société Canadienne de Science Economique, vol. 92(1-2), pages 151-189, Mars-Juin.
    2. Ngoie, Ruffin-Benoît M. & Savadogo, Zoïnabo & Ulungu, Berthold E.-L., 2014. "Median and average as tools for measuring, electing and ranking: new prospects," MPRA Paper 64731, University Library of Munich, Germany, revised 01 Sep 2014.
    3. Herrade Igersheim & Antoinette Baujard & Jean-François Laslier, 2016. "La question du vote. Expérimentations en laboratoire et In Situ," Working Papers halshs-01402275, HAL.
    4. Michel Balinski & Rida Laraki, 2011. "Election by Majority Judgment: Experimental Evidence," Studies in Public Choice, in: Bernard Dolez & Bernard Grofman & Annie Laurent (ed.), In Situ and Laboratory Experiments on Electoral Law Reform, chapter 0, pages 13-54, Springer.
    5. Ngoie, Ruffin-Benoît M. & Savadogo, Zoïnabo & Ulungu, Berthold E.-L., 2014. "New prospects in social choice theory: median and average as tools for measuring, electing and ranking," MPRA Paper 64155, University Library of Munich, Germany, revised 01 Dec 2014.

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